Holding(s) in Company

Dialight PLC
21 September 2006


                           SCHEDULE 10
 
             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF COMPANY


     DIALIGHT PLC


2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST


     COOPERATIVE INSURANCE SOCIETY LIMITED


3)   Please state whether notification indicates that it is in respect of 
     holding of the Shareholder named in 2 above or in respect of a 
     non-beneficial interest or in the case of an individual holder if it is a
     holding of that person's spouse or children under the age of 18


     AS 2 ABOVE


4)   Name of the registered holder(s) and, if more than one holder, the 
     number of shares held by each of them.


     ABERFORTH LIMITED PARTNERSHIP 1A                    1,557,597

                                                         1,557,597


5)   Number of shares/amount of stock acquired.


  


6)   Percentage of issued Class 




7)   Number of shares/amount of stock disposed


     50,000

8)   Percentage of issued Class 

 
     0.16%



9)   Class of security


     ORDINARY SHARES OF 1.89P EACH


10)  Date of transaction


     18 SEPTEMBER 2006


11)  Date company informed


     20 SEPTEMBER 2006


12)  Total holding following this notification


     1,557,597

               
13)  Total percentage holding of issued class following this notification 


     4.99%




14)  Any additional information


     HELD AS LIMITED PARTNER IN ABERFORTH LIMITED PARTNERSHIP 1A


15)  Name of contact and telephone number for queries


     C A BUCKLEY
     01480 447490


16)  Name and signature of authorised company official responsible for 
     making this notification



     Date of Notification      21 SEPTEMBER 2006

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